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Finding the Fourth Proportional to 467,158.47, 644,678.64 and 252,298.55

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Solution

The fourth proportional to 467,158.47, 644,678.64 and 252,298.55 is: 348,171.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,158.47 : 644,678.64 = 252,298.55 : x
  2. Step 2: Convert to fraction form
    467,158.47/644,678.64 = 252,298.55/x
  3. Step 3: Cross multiply
    467,158.47x = 644,678.64 × 252,298.55
  4. Step 4: Simplify right side
    467,158.47x = 162,651,482,864.58
  5. Step 5: Solve for x
    x = 162,651,482,864.58/467,158.47
  6. Step 6: Final answer
    x = 348,171.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.